*{
	margin: 0;
	padding: 0;
}
body{
	text-align: center;
}
img{
	width: 300px;
	margin-top: 100px;
}
.bottom_nav div:nth-child(2){
	background: url(../images/message.png) no-repeat center 8px;
}
.bottom_nav div:nth-child(3){
	background: url(../images/change2.png) no-repeat center 8px;
}
.bottom_nav div:nth-child(1){
	background: url(../images/home.png) no-repeat center 8px;
}
.attack{
	position: relative;
	margin: 50px 0 20px;
	font-weight: 700;
	font-size: 20px;
}
.timeInpt{
	width: 80px;
	outline: none;
	border: 0;
	border-bottom: 1px solid #ddd;
	padding: 5px;
}
.timeInpt:focus{
	border-bottom: 1px solid pink;
}
.attack .tong{
	margin-right:30px;
}
.texiao{
	position: absolute;
	right: 166px;
	top: 0;
	display: none;
	animation: move .7s linear infinite;
}
.puci{
	position: absolute;
	left: 70px;
	top: -44px;
	font-size: 30px;
	opacity: 0;
	transition: all 1s;
}
.define{
	display: inline-block;
	margin-top: 20px;
}
@keyframes move{
	from{
		top: 0px;
	}
	to{
		top: -100px;
	}
}